Two brave citizens decided a racist wouldn’t get away with murder.

It is America’s great strength, and also its handicap, that people around the world feel as entitled as Americans to hold forthright opinions about ugly events in the U.S.

An extrajudicial killing in Brazil, the murder of a low-caste man in India, the hounding of migrants in South Africa—none of these would, in the ordinary course of things, excite comment outside the places in question.